Question

यदि sin A=3/4 तो cos A तथा tan A का मान ज्ञात
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Answer 1

Answer:

sin A = 3/4

p/h = 3/4

h² = b² + p²

4² = b² + 3²

16 = b² + 9

16-9 = b²

7 = b²

$b = \sqrt{7}$

$\cos(a) = \frac{ \sqrt{7} }{4}$

$\tan(a) = \frac{ \sin(a) }{ \cos(a) } = \frac{3}{4} \times \frac{4}{ \sqrt{7} }$

$\tan(a) = \frac{3}{ \sqrt{7} }$

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